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Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag
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From: |
Christoph Hellwig |
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Subject: |
Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag |
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Date: |
Tue, 1 Sep 2009 00:58:25 +0200 |
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User-agent: |
Mutt/1.3.28i |
On Mon, Aug 31, 2009 at 05:53:23PM -0500, Anthony Liguori wrote:
> I think we should pity our poor users and avoid adding yet another
> obscure option that is likely to be misunderstood.
>
> Can someone do some benchmarking with cache=writeback and fdatasync
> first and quantify what the real performance impact is?
I can run benchmarks. Any workloads that you are particularly looking
for?
- [Qemu-devel] [PATCH 0/4] data integrity fixes, Christoph Hellwig, 2009/08/31
- [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag, Christoph Hellwig, 2009/08/31
- Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag, Jamie Lokier, 2009/08/31
- Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag, Anthony Liguori, 2009/08/31
- Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag, Jamie Lokier, 2009/08/31
- Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag,
Christoph Hellwig <=
- Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag, Jamie Lokier, 2009/08/31
- Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag, Christoph Hellwig, 2009/08/31
- Re: [Qemu-devel] [PATCH 1/4] block: add enable_write_cache flag, Christoph Hellwig, 2009/08/31
[Qemu-devel] [PATCH 2/4] block: use fdatasync instead of fsync, Christoph Hellwig, 2009/08/31
[Qemu-devel] [PATCH 3/4] block: add bdrv_aio_flush operation, Christoph Hellwig, 2009/08/31
[Qemu-devel] [PATCH 4/4] virtio-blk: add volatile writecache feature, Christoph Hellwig, 2009/08/31